1 files changed, 140 insertions, 0 deletions
diff --git a/activestorage/test/service/shared_service_tests.rb b/activestorage/test/service/shared_service_tests.rb
new file mode 100644
index 0000000000..17f3736056
--- /dev/null
+++ b/activestorage/test/service/shared_service_tests.rb
@@ -0,0 +1,140 @@
+# frozen_string_literal: true
+
+require "test_helper"
+require "active_support/core_ext/securerandom"
+
+module ActiveStorage::Service::SharedServiceTests
+  extend ActiveSupport::Concern
+
+  FIXTURE_DATA = (+"\211PNG\r\n\032\n\000\000\000\rIHDR\000\000\000\020\000\000\000\020\001\003\000\000\000%=m\"\000\000\000\006PLTE\000\000\000\377\377\377\245\331\237\335\000\000\0003IDATx\234c\370\377\237\341\377_\206\377\237\031\016\2603\334?\314p\1772\303\315\315\f7\215\031\356\024\203\320\275\317\f\367\201R\314\f\017\300\350\377\177\000Q\206\027(\316]\233P\000\000\000\000IEND\256B`\202").force_encoding(Encoding::BINARY)
+
+  included do
+    setup do
+      @key = SecureRandom.base58(24)
+      @service = self.class.const_get(:SERVICE)
+      @service.upload @key, StringIO.new(FIXTURE_DATA)
+    end
+
+    teardown do
+      @service.delete @key
+    end
+
+    test "uploading with integrity" do
+      key  = SecureRandom.base58(24)
+      data = "Something else entirely!"
+      @service.upload(key, StringIO.new(data), checksum: Digest::MD5.base64digest(data))
+
+      assert_equal data, @service.download(key)
+    ensure
+      @service.delete key
+    end
+
+    test "uploading without integrity" do
+      key  = SecureRandom.base58(24)
+      data = "Something else entirely!"
+
+      assert_raises(ActiveStorage::IntegrityError) do
+        @service.upload(key, StringIO.new(data), checksum: Digest::MD5.base64digest("bad data"))
+      end
+
+      assert_not @service.exist?(key)
+    ensure
+      @service.delete key
+    end
+
+    test "uploading with integrity and multiple keys" do
+      key  = SecureRandom.base58(24)
+      data = "Something else entirely!"
+      @service.upload(
+        key,
+        StringIO.new(data),
+        checksum: Digest::MD5.base64digest(data),
+        filename: "racecar.jpg",
+        content_type: "image/jpg"
+      )
+
+      assert_equal data, @service.download(key)
+    ensure
+      @service.delete key
+    end
+
+    test "downloading" do
+      assert_equal FIXTURE_DATA, @service.download(@key)
+    end
+
+    test "downloading a nonexistent file" do
+      assert_raises(ActiveStorage::FileNotFoundError) do
+        @service.download(SecureRandom.base58(24))
+      end
+    end
+
+
+    test "downloading in chunks" do
+      key = SecureRandom.base58(24)
+      expected_chunks = [ "a" * 5.megabytes, "b" ]
+      actual_chunks = []
+
+      begin
+        @service.upload key, StringIO.new(expected_chunks.join)
+
+        @service.download key do |chunk|
+          actual_chunks << chunk
+        end
+
+        assert_equal expected_chunks, actual_chunks, "Downloaded chunks did not match uploaded data"
+      ensure
+        @service.delete key
+      end
+    end
+
+    test "downloading a nonexistent file in chunks" do
+      assert_raises(ActiveStorage::FileNotFoundError) do
+        @service.download(SecureRandom.base58(24)) { }
+      end
+    end
+
+
+    test "downloading partially" do
+      assert_equal "\x10\x00\x00", @service.download_chunk(@key, 19..21)
+      assert_equal "\x10\x00\x00", @service.download_chunk(@key, 19...22)
+    end
+
+    test "partially downloading a nonexistent file" do
+      assert_raises(ActiveStorage::FileNotFoundError) do
+        @service.download_chunk(SecureRandom.base58(24), 19..21)
+      end
+    end
+
+
+    test "existing" do
+      assert @service.exist?(@key)
+      assert_not @service.exist?(@key + "nonsense")
+    end
+
+    test "deleting" do
+      @service.delete @key
+      assert_not @service.exist?(@key)
+    end
+
+    test "deleting nonexistent key" do
+      assert_nothing_raised do
+        @service.delete SecureRandom.base58(24)
+      end
+    end
+
+    test "deleting by prefix" do
+      @service.upload("a/a/a", StringIO.new(FIXTURE_DATA))
+      @service.upload("a/a/b", StringIO.new(FIXTURE_DATA))
+      @service.upload("a/b/a", StringIO.new(FIXTURE_DATA))
+
+      @service.delete_prefixed("a/a/")
+      assert_not @service.exist?("a/a/a")
+      assert_not @service.exist?("a/a/b")
+      assert @service.exist?("a/b/a")
+    ensure
+      @service.delete("a/a/a")
+      @service.delete("a/a/b")
+      @service.delete("a/b/a")
+    end
+  end
+end